AP EAMCET Engineering 24 Apr 2017 Shift 1 Paper

Section: Physics

Question : 109 of 160

Marks: +1, -0

In a potentiometer experiment, when a cell ni the secondary circuit is shunted by a resistance ‘R', balancing length is ‘L1′ On doubling the shunt resistance, balancing length increases to ‘L2’. Internal resistance of the cell is

2R(L2−L1)
L1−2L2
2R(L2−L1)
2L1−L2
R(L2−L1)
L1−2L2
R(L2−L1)
2L1−L2

Validate

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